Home / 10,969.21-15,137.44-6,253.39

Finding the Fourth Proportional to 10,969.21, 15,137.44 and 6,253.39

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Solution

The fourth proportional to 10,969.21, 15,137.44 and 6,253.39 is: 8,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.21 : 15,137.44 = 6,253.39 : x
  2. Step 2: Convert to fraction form
    10,969.21/15,137.44 = 6,253.39/x
  3. Step 3: Cross multiply
    10,969.21x = 15,137.44 × 6,253.39
  4. Step 4: Simplify right side
    10,969.21x = 94,660,315.92
  5. Step 5: Solve for x
    x = 94,660,315.92/10,969.21
  6. Step 6: Final answer
    x = 8,629.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.